Finding the Fourth Proportional to 7,586,357.84, 10,469,073.12 and 4,323,366.80
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Solution
The fourth proportional to 7,586,357.84, 10,469,073.12 and 4,323,366.80 is: 5,966,188.80
Step by Step Solution
- Step 1: Write the proportion equation
7,586,357.84 : 10,469,073.12 = 4,323,366.80 : x - Step 2: Convert to fraction form
7,586,357.84/10,469,073.12 = 4,323,366.80/x - Step 3: Cross multiply
7,586,357.84x = 10,469,073.12 × 4,323,366.80 - Step 4: Simplify right side
7,586,357.84x = 45,261,643,153,780.41 - Step 5: Solve for x
x = 45,261,643,153,780.41/7,586,357.84 - Step 6: Final answer
x = 5,966,188.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.